As someone who has worked with a lot of languages over the years I can never remember which one is `length(x)`, `len(x)`, `x.length`, `x.len`, and so on. For m

As someone who has worked with a lot of languages over the years I can never remember which one is `length(x)`, `len(x)`, `x.length`, `x.len`, and so on. For me the answer is "never", apparently. Then again I tend to struggle with basic syntax no matter what language I'm using or how frequently I use it.